Kia Rio: Body Electrical System / Indicators And Gauges

Troubleshooting

Troubleshooting

Error Item
Failure symptom
Inspection items
Detailed inspections
Relevant Parts/
Components
Screen display
LCD screen does not turn on
1)

Connector attachments

2)

Components

1)

Check the connector attachments

2)

Check B+, IGN and GND wiring

3)

Check the components

Connectors, wiring, fuses, dashboard
Warning light
Airbag warning lamp malfunction
1)

Connector attachments

2)

C-CAN

3)

Components

1)

Check airbag + signal (connectors)

2)

Check C-CAN (ACU4) signal

3)

Check the FPC attachment inside the dashboard

ACU Connectors, wiring, fuses, dashboard
Mode conversion
Integrated driving mode malfunction
1)

Connector attachments

2)

Switch

3)

Components

1)

Check the switch input (connector)

2)

Check the switch signal input

(disconnection or shorting)

3)

Check conversion with dashboard component

Switch connector, wiring dashboard
Illumination
Interior light brightness cannot be controlled.
1)

Connector attachments

2)

Switch

3)

Components

1)

Check if the light switch's input signal reaches the connector

2)

Check ILL- and DETENT signals

3)

Check the TAIL+ signal input

Switch connector, wiring dashboard
Warning Sound
No dashboard alarm
1)

Connector attachments

2)

Car speakers

3)

Components

1)

Check the speaker output connector

2)

Check the car speakers

Speaker connectors, wiring dashboard
Fuel indicator
Faulty fuel gauge indication
1)

Connector attachments

2)

Fuel sender

3)

Components

1)

Check fuel input and GND connectors

(open, short or input resistance values)

2)

Check fuel sender

Fuel sender connector, wiring dashboard

Repair procedures Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel.

Components and components location Components [Standard Type ("3.5")] [Supervision Type ("3.5")] Connector Pin Information Connector A No.

Other information:

Kia Rio 2017-2023 YB Service Manual: Rear Wiper/Washer

C

Kia Rio 2017-2023 YB Service Manual: Mode Control Actuator

Description and operation Description The mode control actuator is located at the heater unit. It adjusts position of mode door by operating mode control actuator based on signal of A/C control unit. Pressing mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

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